CVE-2016-7917: linux linux_kernel Out-of-bounds Read

Vulnerability summary

CVE-2016-7917 is a medium (CVSS 5.0) Out-of-bounds Read vulnerability in linux linux_kernel. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.4% of scored vulnerabilities.

Timeline

1. 16-11-2016
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

The nfnetlink_rcv_batch function in net/netfilter/nfnetlink.c in the Linux kernel before 4.5 does not check whether a batch message's length field is large enough, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (infinite loop or out-of-bounds read) by leveraging the CAP_NET_ADMIN capability.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
• CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.